Current conditions at

Tri-Cities Airport (KPSC)

Lat: 46.26955°NLon: 119.11813°WElev: 397.0ft.

Clear

73°F

23°C

Humidity 27%
Wind Speed SW 9 MPH
Barometer 29.97 in (1014.9 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Last update 08 May 11:20 AM PDT
Extended Forecast for

Prosser WA

  • Today

    Today: Partly sunny, then gradually becoming sunny, with a high near 80. West wind 8 to 15 mph, with gusts as high as 25 mph.

    High: 80 °F

    Becoming
    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 46. West wind 11 to 16 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 28 mph.

    Low: 46 °F

    Mostly Clear

  • Saturday

    Saturday: Increasing clouds, with a high near 80. Light and variable wind.

    High: 80 °F

    Increasing
    Clouds

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 50. Light and variable wind becoming east around 5 mph.

    Low: 50 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 83. Calm wind becoming southwest around 6 mph in the afternoon.

    High: 83 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 48.

    Low: 48 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 81.

    High: 81 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 50.

    Low: 50 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 88.

    High: 88 °F

    Mostly Sunny

Detailed Forecast

Today
Partly sunny, then gradually becoming sunny, with a high near 80. West wind 8 to 15 mph, with gusts as high as 25 mph.
Tonight
Mostly clear, with a low around 46. West wind 11 to 16 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 28 mph.
Saturday
Increasing clouds, with a high near 80. Light and variable wind.
Saturday Night
Mostly cloudy, with a low around 50. Light and variable wind becoming east around 5 mph.
Sunday
Partly sunny, with a high near 83. Calm wind becoming southwest around 6 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 48.
Monday
Sunny, with a high near 81.
Monday Night
Mostly clear, with a low around 50.
Tuesday
Mostly sunny, with a high near 88.
Tuesday Night
Partly cloudy, with a low around 54.
Wednesday
Sunny, with a high near 84.
Wednesday Night
Mostly clear, with a low around 52.
Thursday
Mostly sunny, with a high near 82.
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ABOUT THIS FORECAST

 
Point Forecast:
Prosser WA
 46.21°N 119.75°W (Elev. 741 ft)
10:21 am PDT May 8, 2026
11am PDT May 8, 2026-6pm PDT May 14, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database